Impact-cushioning device



'R. H. KINGDON IMPACT CUSHIONING DEVICE April l5 1924. l 1,490,701)

'Rcrhoh Kingdom,

d@ Mir? April 15 1924.

j 1,490,700 R. H. KINGDON IMPACT CUSHIONING DEVICE Filed May 1:6. 1921 2 sheets-sheen 2 Patented pr. l5, 1924.

u n i n "TTS FATENT OFFICE.

RALPH H. KINGDOM, CHECAGO, LLVINOS, ASSIGNOR T0 SEARS, ROEB'UCK AND CO., OF CHICAGO, ILLNOIS, A. CORPORATION OF NEW YORK.

IMPACT-CUSHIONING DEVICE.

Application led May 18,

To @ZZ whom t may con cervi Be it known that li, RALPH H. KINGDOM, a citizen of the United States, residing at Chi-` cago, in the county oi Cook and lState of lllinois, have invented certain new and uset'ul improvements in lnipact-,Cushioning Devices, ot which the following is a specification.

This invention relates to impact cushioning devices Yt'or closures such as windows, doors and the like, and is particularly concerned with the provision ot a device ot this hind which is especially adapted tor use with automatically operable windows and similar cont-rivances.

@ne of the principal objects ot the invention is to provide such a device which will operate entirely automatically without any especial adjustn'ient or attention and which is so constituted that the impact will not be cushioned when the window closes rather slowly and with comparatively slight nioinentuin but which will operate `with certainty to cushion the impact when the window closes with comparatively great .momentum, that is when considerable noise, besides damage to the sash might otherwise result.

Another object ot the invention is to provide a device of this character which may be installed in a window casing ot standard construction without necessitating any considerable reconstruction ot the casing.

Other objects, advantages and uses of this cushioning device will appear las the 'followingl detailed description progresses which is to be read in connection with the accompanying drawings wherein- Fig. 1 is a front elevation of a window equipped with a device constructed in accordancev'ith this invention tor cushioning the impact of the sash with the casing. The casing is broken away at one point to reveal more clearly the manner ot attaching the device to the casing.

Fig. 2 is a central, longitudinal, vertical section of the device, the elements of which are shown in their respective inoperative positions.

Fig. 3 is a similar section wherein the parts are illustrated in operative position.

Fig. 4 is a transverse, vertical section taken on lines 4 4: of Figs. 2 and 3 looln ing in the direction indicated by the arrows.

Figs. 5, 6, 7 and 8 are perspective details of one-half ot the casing, the spring frame i1921. Serial N0. 470,041.

member with spring attached, a locking dog and the inertia operable dog actuating plate respectively.,

The same reference numerals are applied to corresponding parts throughout the views.

Referring to the drawings, and for the present to Fig. 1 particularly, reference numeral 1() represents a window casing comprising a frame 11 and face boards 12. Movable between the usual beads in the casing 10 is a sash 13 in connection with which the impact cushioning device of the present invention is adapted to operate.

The reference numeral 14 is applied to the cushioning device as a Whole. It consists of a two-piece metal casing 15 made up of the halves 15a which are reversible and interchangeable. A closure 16 in the forni of a thin sheet metal strip overlies the edges of an opening 17 cut into the upper cross piece ot' the frame to receive the casing 15. This closure is fastened to the nether side of the cross piece by screws 18 which are received in screw holes in the lugs 19 on the halves 15a. These lugs, as most clearly shown in Fig. project from opposite ends of the halves 15a and are notched as shown,` the notches when the halves are placed in register, forming screw holes lto receive the screws 18. The closure seals the lower open end ot the casing 15 and has a central opening 20 to receive a coiled compression spring 21. y

A bolt 22 passing through a collar 23 and a channel or trough-shaped frame 24 receives a nut 25. 'The collar 23 has an overturned edge which embraces the end of the spring 21 and secures the same to the :trame 2li. lr" desired the spring may be sweated in the colla-r to secure a permanent connection therewith. The frame 24e is reciprocable in the casing 15 and is preferably -inaintained by gravity, normally in the position shown in Fig. 2 at the lower end of the casing :in engagementy with the closure 16.

A. pair of locking dogs 26 are pivotally mounted in the trarne 24eon pins 27 which pass through the spaced ears 28xof the dogs and are received in openings in the parallel side walls oit the trarne. A leaf spring 29 flexed over the pins 27 and engaging the lower edges et the dogs between the ears 28 thereof, serves to hold them upwardly naeooo of its Weights, of means for cushioning the impact of said Window With said casing operable When said Window closes With a given momentum and inoperable to cushion the impact of closing at a lessei momentumy comprising a compression spring, a channel frame secured to an end thereof, said ifea-me being movable inWafdly and outwardly in a socket provided in said casing and noi'- mally held in its outeimost position by gravity, a pair of dogs pivotally momned in said frame, abutments in said socket adapte to be engaged by said dogs, spi'ing means tending to hold said dogs together out of the path of said abutments and means adapted to repel said dogs and cause engagement thereof With said abutments comprising a plate opei'able by its inertia and by plunger action in said socket when said Window ongages and moves said frame inwardly with a given momentum, said iepelling means being inoperable to cause locking engagement of said dogs when said Window7 moves to closed position With compaintivelyT slight momentum. c

2. rlhe combination With a casing and elosure therefor adapted nominally to move to a position at one end of said casing7 of means 'for cushioning the impact ot said closure With said casing operable when said' closure impacts with a given momentum and inoperable to cushion the impact at a lesser momentum, comprising a frame movable in a soolet provided in said casing and nominally held in its onteimost position, spring on said trame adapted to pioject into the path of said closure, dogs in said frame, abutments for said dogs, means tending to hold said dogs out ot the path of sain abutments and means adapted to repel said dogs and cause engaen'iont thereof with said abut-- ments oompiising a plate opeiable by its ineitia when said elosine engages its casing With a given momentnm` said plate being inoperable to canse looking engagement of said dogs at a lesser momentum.

3. The combination with a casing and a closure theii'efoi adapted noin'ially to move to a position at one end ot said casing.` of means toi* cushioning the impact of said closure With said casing comprising a frame movable in a socket provided in said casing, a spi-ing on said trame dogs in said 'i'iaimer` abntments toi' said dogsTy and means adapted to iopel said dogs and cause engagement tlieieoi With said abutments.

4l. The combination with members adapted to move into abutting ielatiom of means 'for cushioning the impact of said members when they engage with comparatively7 considerable momentum, said means being incapable oi cushioning the impact of said members When they engage with comparati vely slight momentum 5. The combination with a casing, a clobei, e said losnie into th e id mingl we inopei' .o thei a a cushioning' cie"y lent so .lon

n in

casing.

G. The eoobii member mi' i en shi onin g of said i' with said ca v bei' approaches it i than a piefleteii'nined device beim also admi K mit nlosnie :f said vil, i able memlfoi approaches its closed at less than sani pmdel'oiniii/md irate,

The confoinatien4 i stationim YALomb-ei? and a ii mem ei' i'. tiene?)Y member theieivith, of moa be i pted to misliion com p ising thereto? s adapted to means in seid soclot ada a rigid abntniont foi said i: When said movable second member appreaches said stationaiy men'ibei with oompanatiiol` momenti n Wbeieby engagement said nieinbeis is piev nted, said ast i'nentioned means being adapted to ifecede with said yielding element into said socket When aid seeond inenibei' apin'oaches the first member iatively slight momentum to permit the .sf to engage Without ensliioni 8. rlhe combination with element llO engage therewith ot means yishion the impact theieot con yielding element, means zdf ted to constitute a irigid abutment for said yielding ele l foaches und movable member nppronelies with tively great momentum thereby: prei engagement of seid members, se'Y ing adapted to permit said inemb und being inoperative to cushion the inipnet thereoi when said movable member eoproziehes v-,f'ith compziretivelgY slight nionientuin.

i0. The con'ibination ivith tivo men'ibers adapted to engage with considere le Aiomen'dm gained es Seid I-`@here move relaitively together7 oi'' cushioninn eieens common to Seid membl on initie?.

onere to engage i i, f; 1i. the :upnct nu the rite of l. f Y

. 1 -l-,l sind rufinio means therein7 said frame being held normally in oue dost position by grzivvitv, n cushioning` Yelement mounted on Said rrzime and projecting Without seid easing' and means in Said easing adapted to hold said frame stationery When seid cushioningr element impec-te with an object and adapted to permit said freine to move when the force of seid impact is comparatively slight` comprising" en abutment in said socket7 e dog` pivol'zzi-llj,T monnted in said 'frame adapted to engage seid abutment to hold seid frame stetionai'jgf prevent inward movement thereof, spring ineens normally holding` seid dog out of the path of seid abutment and means operable by its inertia and by plungerection in said socket to nctnete said dog,

13.- A cushioning' device comprising, in combination, e casing7 :i frame reciprocnble in seid easing and held normnll7 in ontermost position, cushioning' element on seid nenne :nl ie when. seid cushioning element impacts vv th seid trame et e relatively high velocity Y it the uninterrupted movement o? srv-,id il the ford-e i id impact e and me recipromibl nielllv in itl-i eine st position, e e lnoni seid 1L me atl ineens es zi. Stop for seid Atreme when l l feivith,

' 1 impnetst en :.ibutment in sind :ngiige seid ali-utg eine dof;A out ioning element seid means compi isi eoeket, dog aaien. e( nient7 means .iormellv hold of the path ot.' seid n-bntiuifvni, und meen for zic'imtmg sind dog.

EL eushionine device oi the 'character described comjrising7 in combination, zi cushioning` element disposed in socket, and means adapted to constitute e stop for said element when it suddenly impacts with nn object, comprieine` an abutment, and means adapted to en gege seid abutment`I seid means being' opere-ble onliv When the obj eet impacts With seid cushioning element With eprey determined momentum.

16. i@ device oi" the character described, comprising; a casing', e frame movable es e plunger in said casing normally held at one side thereof by grivity, a cushioninff spring pi'oj'e LJ thro un opening in d casing adjacent seid trame and secured to the outer site of snif. frame und devices for holding seid frame stotionztr)v to not as a stop for eid cushioning` spring` when the sume is sud denl'v enge` d by an object comprising :in inertiaJ operable dog' pivotallv mounted in seid freine und en abutment in seid casing adapted 'to be engaged lo? said dog', said devices being operable only when seid cushion-A ing' spring' engaged with a predetermined momentum.

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